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DP-9841-K9= Desk Phone 9841 IP Phone 4-Line PoE Carbon Black for Enterprise Office

The Cisco DP-9841-K9 is a professional-grade IP conference phone designed to deliver exceptional voice quality, reliable performance, and seamless collaboration for modern business environments. Featuring advanced HD audio technology with full-duplex communication and intelligent noise reduction, it ensures every participant can be heard clearly, making it ideal for conference rooms, executive offices, meeting spaces, and hybrid work scenarios. The phone supports SIP-based VoIP communications, allowing easy integration with Cisco Unified Communications platforms and compatible third-party IP telephony systems. Its intuitive color touchscreen interface provides a user-friendly experience for call management, directory access, conferencing, and device configuration, while Gigabit Ethernet connectivity ensures high-speed and stable network performance. Built with enterprise-class security features, the DP-9841-K9 helps protect voice communications through secure authentication and encrypted signaling and media protocols. Designed for easy deployment and centralized management, it simplifies installation and ongoing maintenance for IT administrators. Combining premium audio performance, flexible deployment options, durable construction, and Cisco's renowned reliability, the Cisco DP-9841-K9 is an excellent communication solution for organizations seeking to improve meeting efficiency, enhance collaboration, and support scalable unified communications across businesses of all sizes.

  • DP-9841-K9

  • Cisco

  • Original New

  • 1 year

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Item

Official Specification

Model Number

DP-9841-K9

Product Series

Cisco Desk Phone 9841 VoIP IP Phone

Color Finish

Carbon Black

Main Application

Office VoIP Calls, Enterprise CUCM, Webex Calling, SIP Third-Party PBX, Hotel & SMB Workplace

Supported Platforms

Cisco CUCM, Webex Calling, BroadWorks, Open SIP / 3PCC Cloud Calling

Warranty

1-Year Limited Cisco Hardware Warranty

Display Screen

3.5-inch Grayscale LCD, 384 × 160 Resolution, Backlit

Supported Lines

Up to 4 Programmable Line Keys; Max 16 SIP Lines (Webex Calling); Max 130 Lines (CUCM)

Physical Buttons

4-way Navigation Key, Select Key, Action, Favorite, Hold, Transfer, Conference, Directory, Volume Toggle, Speakerphone, Mute, Standard Keypad

Network Ports

2 × 10/100/1000BASE-T Gigabit RJ45 (LAN + PC Pass-through)

Power Supply

IEEE 802.3af PoE Class 2 (48V DC, 0.42A); Optional Separate AC Power Adapter (Sold Separately)

Interfaces

1 × USB-A 2.0 Port (Mobile Charging / Accessories); 1 × RJ9 Dedicated Headset Port

Audio Features

HD Wideband Audio, Full-Duplex Speakerphone; Supported Codecs: G.711u, G.711a, G.722, G.722.2, G.729A/B, iLBC, OPUS

Security Chip

Built-in TPM 2.0 Encryption Module, End-to-End Call Encryption, LLDP-MED, VPN Support, DoS Protection

Additional Functions

Caller ID, Call Waiting, OBTP One Button to Join Webex Meetings, 360° Status LED Indicator, Emergency Paging, NFC Support

Mounting Options

Standard Desktop Stand; Optional Wall Mount Kit (Sold Separately)

Physical Dimensions (H × W × D)

214 mm × 214 mm × 49.4 mm (8.4 × 8.4 × 1.9 in)

Net Weight

954 g

Casing Material

Textured ABS Polycarbonate Plastic

Operating Environment

Temp: 0°C ~ 40°C (32°F ~ 104°F); Humidity: 10% – 90% Non-Condensing

Storage Environment

Temp: -10°C ~ 60°C (14°F ~ 140°F); Humidity: 10% – 95% Non-Condensing

Included Accessories

Wired Handset, Handset Coil Cord, Desktop Stand, Ethernet Patch Cable

Regulatory Certifications

CE, FCC, UL, TAA Compliant, RoHS

Shenzhen Importgm Technology Co., Ltd.

Shenzhen Importgm Technology Co., Ltd. has been operating in the I T services market since 2010, focusing on the R&D, design and sales of core equipment and general accessories in the field of network communications, we are distributors and resellers of worldwide brands of communication equipment, general accessories and system solutions for global customers.We offer a wide range of products, including networking routers, switches, firewalls, servers, I P phones, video conferencing equipment, wireless A P, P D U and modules. We are located in Shenzhen with convenient transportation access. Over the years we have developed a team of highly skilled staff that delivers quality and effective solutions and services. Based on our rich experience, we can supply products with stable packages, reliable delivery, competitive prices and on-time support. Our products are exported to customers in such regions as the Middle East, Africa, America,Europe and Asia. We also welcome O E M and O D M orders.Whether selecting current products from our inventory or seeking engineering assistance for your project bid, you can consult our business staff at any time. Our service does not end when the invoice is printed but begins as soon as you have received your order. Any customers' business visit and negotiation is warmly welcomed. Let's work together and win-win.

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Q: What are the main application scenarios for the DP-9841-K9?

A: The DP-9841-K9 is ideal for enterprise offices, reception areas, and hybrid work environments, delivering reliable voice communication with advanced collaboration features.

Q: How to install the DP-9841-K9 IP Phone?

A: The DP-9841-K9 can be installed by connecting it to your network and power source, then completing the initial setup through the phone's configuration menu or your VoIP platform.

Q: Does the DP-9841-K9 require firmware upgrades?

A: Regular firmware updates are recommended for the DP-9841-K9 to improve security, enhance performance, and access the latest features. Always use the latest firmware provided by Cisco.

Q: Are there alternative products to the DP-9841-K9?

A: Alternatives to the DP-9841-K9 include other Cisco Desk Phone models, such as the 9851 and 9861 Series, which offer different feature sets and deployment options.

Q: What are common troubleshooting tips for the DP-9841-K9?

A: For common issues, check the network connection, verify SIP or call control settings, and ensure the phone is running the latest firmware. Restarting the device can also resolve minor problems.


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